This book has been written in order to evaluate the beneficial effects of L-carnitine and vitamin E against ochratoxin A (OTA) induced alterations in white Leghorn cockerels. OTA is a potent mycotoxin being produced in stored feed as secondary fungal metabolites of toxigenic storage fungi while L-carnitine is a biological component being prolduced by several essential amino acids. It is being synthesized naturally within the body and has several beneficial effects within the body